
.clearfloat:before,
.clearfloat:after{
    content: " ";
    display: table;
}
.clearfloat{
    clear: both;
}
html{
    font-size: 100px;
}
body{
    font: 12px/150% Arial,Verdana,"\5b8b\4f53";
    background: #fff;
}

